It could not be destroyed. The heavy raids began in the middle of August, and Nazi bombs started to fall along England's Channel Coast. The German bombers cast dark shadows over the white cliffs of Dover, and England's Home Guard prepared to fight on the beaches, on the cliffs, and in the hills, until the last Englishman died or the invaders were driven off. Air Marshal Goering's bomber pilots were sure of their ultimate triumph over England. Hitler and Goering believed that when London became a burned city like Warsaw or Rotterdam, England would surrender. But the English were more fortunate than the Poles in Warsaw and the Dutch in Rotterdam.